<template>
  <div>
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="12">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            class="input-with-select"
            clearable
            @clear="getUserList"
          >
            <el-button slot="append" icon="el-icon-search" @click="getUserList">
            </el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="dialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="userList" border stripe style="width: 100%">
        <el-table-column type="index"> </el-table-column>
        <el-table-column prop="username" label="姓名"> </el-table-column>
        <el-table-column prop="email" label="邮箱"> </el-table-column>
        <el-table-column prop="mobile" label="电话"> </el-table-column>
        <el-table-column prop="role_name" label="角色"> </el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStageChange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 14, 100]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="10"
      >
      </el-pagination>
    </el-card>

    <!-- 添加用户的对话框 -->
    <el-dialog title="添加用户" :visible.sync="dialogVisible" width="50%">
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="moile">
          <el-input v-model="addForm.moile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="adduser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog title="修改用户" :visible.sync="editdialogVisible" width="50%">
      <el-form
        :model="editForm"
        :rules="editFormRules"
        ref="editFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editdialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配角色对话框 -->
    <el-dialog
      title="分配橘色"
      :visible.sync="setroledialogVisible"
      width="50%"
    >
      <div>
        <p>当前的用户: {{ userInfo.username }}</p>
        <p>当前的角色: {{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.role_Name"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setroledialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+/
      if (regEmail.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法邮箱'))
    }

    var checkmoile = (rule, value, cb) => {
      const regmoile = /^[1](([3][0-9])|([4][0,1,4-9])|([5][0-3,5-9])|([6][2,5,6,7])|([7][0-8])|([8][0-9])|([9][0-3,5-9]))[0-9]{8}$/
      if (regmoile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法手机号'))
    }

    return {
      setroledialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        moile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名称', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 10, message: '长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        moile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkmoile, trigger: 'blur' }
        ]
      },
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      dialogVisible: false,
      editdialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkmoile, trigger: 'blur' }
        ]
      },
      // 需要被分配角色的用户信息
      userInfo: {},
      // 所有的角色数据列表
      rolesList: [],
      // 已选中的角色ID值
      selectedRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色')
      }

      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败')
      }
      this.$message.success('更新成功')
      this.getUserList()
      this.setroledialogVisible = false
    },
    async setRole (user) {
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data
      this.userInfo = user
      this.setroledialogVisible = true
    },
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询失败')
      }
      this.editForm = res.data
      this.editdialogVisible = true
    },
    adduser () {
      this.$refs.addFormRef.validate(async valid => {
        if (valid) {
          const { data: res } = await this.$http.post('users', this.addForm)
          if (res.meta.status !== 201) {
            this.$message.error('添加失败')
          } else {
            this.$message.success('添加成功')
            this.dialogVisible = false
          }
        } else {
          return false
        }
      })
    },
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    change (id) {
      return id
    },
    //  pagesize变化时触发
    handleSizeChange (newsize) {
      this.queryInfo.pagesize = newsize
      this.getUserList()
    },
    // 页码变化时触发
    handleCurrentChange (newpage) {
      this.queryInfo.pagenum = newpage
      this.getUserList()
    },
    async userStageChange (state) {
      const { data: res } = await this.$http.put(`users/${state.id}/state/${state.mg_state}`)
      if (res.meta.status !== 200) {
        state.mg_state = !state.mg_state
        return this.$message.error('修改失败')
      }
      this.$message.success('更新成功')
    },
    editUserInfo () {
      this.$refs.editFormRef.validate(async value => {
        if (!value) {
          return this.$message.error('更新失败')
        } else {
          await this.$http.put(`users/${this.editForm.id}`, { email: this.editForm.email, mobile: this.editForm.mobile })
          this.$message.success('更新成功')
          this.getUserList()
          this.editdialogVisible = false
        }
      })
    },
    removeUserById (id) {
      this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const { data: res } = await this.$http.delete(`users/${id}`)
        if (res.meta.status !== 200) {
          return this.$message.error('删除失败')
        }
        this.getUserList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  },
  watch: {
    dialogVisible (n) {
      if (!n) {
        this.$refs.addFormRef.resetFields()
      }
    },
    editdialogVisible (n) {
      if (!n) {
        this.$refs.editFormRef.resetFields()
      }
    }
  }
}
</script>

<style>
.el-table {
  margin-top: 15px;
  font-size: 12px;
}
</style>
